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 $ @Author: liujiajun 45444154+wo1261931780@users.noreply.github.com
 $ @Date: 2022-06-07 21:10:28
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 $ @LastEditTime: 2022-06-07 21:10:38
 $ @FilePath: \st-html.github.io\src\aaa008\a042字体.html
 $ @Description: 1111
 $ @
 $ @Copyright (c) 2022 by liujiajun 45444154+wo1261931780@users.noreply.github.com, All Rights Reserved.
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<!DOCTYPE html>
<html lang="en">

    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible"
              content="IE=edge">
        <meta name="viewport"
              content="width=device-width, initial-scale=1.0">
        <title>Document</title>
        <style>
            div {
                font-size: 50px;
            }
        </style>
    </head>

    <body>
        <div>我是字体</div>
        <!-- 字体一定要带上font大小，否则不生效 -->
        <p>我是默认字体大小</p>
    </body>

</html>